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Poster: Scantron Date: Apr 27, 2004 1:19pm
Forum: prelinger Subject: mpeg-4 versus mpeg-4 "editable"

Anyone understand the difference between these two file formats? Both are mpeg-4, but the "editable" version is magnitudes larger. Why is it any more "editable" than the standard mpeg-4 (or an mpeg-2 using a FCP conversion plug in)?

Thanks,
-Scantron

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Poster: Sarte Date: Apr 28, 2004 2:15am
Forum: prelinger Subject: Re: mpeg-4 versus mpeg-4 'editable'

I've been wondering about this too.

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Poster: ridetheory Date: Apr 28, 2004 7:39am
Forum: prelinger Subject: Re: mpeg-4 versus mpeg-4 'editable'

Just venturing a guess, but when you get an "editable" file, you want it to be as high resolution as possible so it won't degrade as you import and export it through your editing software.

In my case, I use iMovie, which requires DV files. So I open the MPG4 in Quicktime Pro, highlight a scene, copy it, open a new Quicktime player, paste it in, then export it to DV. Once I have a nice collection of clips, I open iMovie and start editing. When my iMovie is all edited, I export it again. That's two chances for it to degrade.

Think of a photocopy of a photocopy -- it's bound to look worse than the original. The sharper the original, the better the later generations.

Personally, I like digital noise.

ridetheory

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Poster: Administrator, Curator, or Staffsimon c Date: Apr 28, 2004 7:50am
Forum: prelinger Subject: Re: mpeg-4 versus mpeg-4 'editable'

Hey,

I checked about this, and yep, the only difference is that the 'editable' one is higher-resolution/quality, there's nothing else about it that makes it specifically 'editable' in terms of file type.

Thanks,
s!